20324224042143 has 32 divisors (see below), whose sum is σ = 31630117109760. Its totient is φ = 11366405228640.

The previous prime is 20324224042141. The next prime is 20324224042159. The reversal of 20324224042143 is 34124042242302.

It is a happy number.

It is not a de Polignac number, because 20324224042143 - 2¹ = 20324224042141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324224042141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35436028 + ... + 36005006.

It is an arithmetic number, because the mean of its divisors is an integer number (988441159680).

Almost surely, 2^{20324224042143} is an apocalyptic number.

20324224042143 is a deficient number, since it is larger than the sum of its proper divisors (11305893067617).

20324224042143 is a wasteful number, since it uses less digits than its factorization.

20324224042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605227.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 20324224042143 its reverse (34124042242302), we get a palindrome (54448266284445).

The spelling of 20324224042143 in words is "twenty trillion, three hundred twenty-four billion, two hundred twenty-four million, forty-two thousand, one hundred forty-three".